Fred earns $18.41 per hour. taylor earns $12.07 per hour. what is the difference between their yearly salaries? assume that each person works 40 hours a week for a total of 52 weeks a year.

The heaviest 16% of all men in weight weigh more than how many pounds ?

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

With number 11 ( show how you got the answer)